D13008VXI25V Renesas Electronics America, D13008VXI25V Datasheet - Page 138
D13008VXI25V
Manufacturer Part Number
D13008VXI25V
Description
MCU 3V 0K I-TEMP PB-FREE 100-TQF
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of D13008VXI25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
PWM, WDT
Number Of I /o
35
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
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5. Interrupt Controller
5.4
5.4.1
The H8/3008 handles interrupts differently depending on the setting of the UE bit. When UE = 1,
interrupts are controlled by the I bit. When UE = 0, interrupts are controlled by the I and UI bits.
Table 5.4 indicates how interrupts are handled for all setting combinations of the UE, I, and UI
bits.
NMI interrupts are always accepted except in the reset and hardware standby states. IRQ interrupts
and interrupts from the on-chip supporting modules have their own enable bits. Interrupt requests
are ignored when the enable bits are cleared to 0.
Table 5.4
SYSCR
UE
1
0
UE = 1: Interrupts IRQ
masked by the I bit in the CPU's CCR. Interrupts are masked when the I bit is set to 1, and
unmasked when the I bit is cleared to 0. Interrupts with priority level 1 have higher priority. Figure
5.4 is a flowchart showing how interrupts are accepted when UE = 1.
Rev.4.00 Aug. 20, 2007 Page 92 of 638
REJ09B0395-0400
Interrupt Operation
Interrupt Handling Process
I
0
1
0
1
UE, I, and UI Bit Settings and Interrupt Handling
CCR
UI
⎯
⎯
⎯
0
1
5
to IRQ
Description
All interrupts are accepted. Interrupts with priority level 1 have higher
priority.
No interrupts are accepted except NMI.
All interrupts are accepted. Interrupts with priority level 1 have higher
priority.
NMI and interrupts with priority level 1 are accepted.
No interrupts are accepted except NMI.
0
and interrupts from the on-chip supporting modules can all be
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